The incident happened at 11 a.m. Sunday at Keystone Fellowship Church on the 400 block of Stump Road.

On Facebook, the church confirmed the shooting.

"We at Keystone are saddened to confirm that a shooting took place at our Montgomeryville campus this morning. One man was shot and another is being questioned by police; no one was else was hurt. Police and medical personnel were called immediately. Police are investigating and we will release further information as soon as it becomes available. Our congregation is in prayer for everyone involved," the message read.

Church member Breeana Somers says gunfire erupted as the congregation stopped singing.

"We were worshiping and you hear three different gunshots," said Somers. "Everybody went on the floor and was hiding."

Initial reports came into police around 11:23 a.m. of shots fired.

"First thing went through my mind, I'm a single mom, I have a 6-year-old, so I was kind of upset not knowing whether I was going to be able to see her," said Somers.

Steele said a disturbance that escalated to an altercation occurred between the victim and the gunman.